1. Adams , T. F. 2010 UAW, Inc.: The triumph of capital
2. AIL-ENS (Agencia de Información Laboral-Escuela Nacional Sindical) 2013 En 2013 aumentó la violencia contra el movimiento sindical colombiano http://www.ens.org.co/index.shtml?apc=Na-;1;-;-;&x=20168317
3. AP (Associated Press) 2011 United Auto Workers want bigger share of companies' profits
4. ASN (ASOTRECOL Solidarity Network) 2013a General Motors agrees to negotiate with sick and injured workers wrongfully fired from its plant in Bogotá, Colombia
5. ASN (ASOTRECOL Solidarity Network) 2013b General Motors breaks its promise to negotiate with sick and injured workers fired from Colombia plant